The Lowest a on a Piano Has a Frequency of 27.5

question 13

Multiple Choice

The lowest A on a piano has a frequency of 27.5 Hz. If the tension in the 2.00-m string is 308 N, and one-half wavelength occupies the string, what is the mass of the wire?

• A) 0.025 kg
• B) 0.049 kg
• C) 0.051 kg
• D) 0.081 kg
• E) 0.037 kg

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Definitions:

First Serves

In tennis, the initial serve attempt in a point, which, if successful, initiates the rally.

Probability

The mathematical likelihood of a specific event occurring, often expressed as a number between 0 and 1.

Independent Events

Two or more events whose occurrence or outcome do not affect each other's probability of happening.

Seat Belts

Safety devices installed in vehicles, designed to secure the passenger or driver in place to reduce harm in case of accidents or sudden stops.